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Opt Lett. 1991 Mar 1;16(5):339-41.

Four-beam laser trap of neutral atoms.

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  • 1Department of Applied Physics, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan.


An efficient spontaneous-force laser trap of neutral atoms without standing waves is demonstrated by using the Ne 1s(5) metastable state. The metastable Ne beam is decelerated by a laser by using Zeeman tuning and is trapped in a trap consisting of a quadrupole magnetic field and four laserbeams in a tetrahedral configuration. The dynamics of atomic motion from the deceleration stage to the trap is discussed.

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